It takes 15 N of force to stretch a spring 5 cm from its equillibrium point.a.) Find the spring constant for this spring.b.) Calculate the work needed to stretch the spring 10 cm. Show all steps. A wire that is 12 ft. long has a density function . Find the mass of the wire.

1 5 points Use trigonometric substitution to evaiuate f 7%? Show all step m m + If you do not use trigonometric substitution, you will receive no credi